package com.study.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.study.constant.MessageConstant;
import com.study.entity.Result;
import com.study.service.MemberService;
import com.study.service.ReportService;
import com.study.service.SetMealService;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.util.List;
import java.util.Map;

@Controller
@ResponseBody
@RequestMapping(value = "report")
public class ReportController {

    @Reference
    private MemberService memberService;
    @Reference
    private SetMealService setMealService;
    @Reference
    private ReportService reportService;

    @RequestMapping(value = "/getMemberReport")
    public Result getMemberReport(){
        try{
            Map<String,Object> map = memberService.getMemberReport();
            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
        }catch(Exception e){
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }

    @RequestMapping(value = "/getSetmealReport")
    public Result getSetmealReport(){
        try{
            Map<String,Object> map = setMealService.getSetmealReport();
            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,map);
        }catch(Exception e){
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }

    @RequestMapping(value = "/getBusinessReportData")
    public Result getBusinessReportData(){
        try{
            Map<String,Object> map = reportService.getBusinessReportData();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS,map);
        }catch(Exception e){
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }
    @RequestMapping(value = "/exportBusinessReport")
    public void exportBusinessReport(HttpServletRequest request, HttpServletResponse response){
        try{
            Map<String,Object> result = reportService.getBusinessReportData();
            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            String filePath = request.getSession().getServletContext().getRealPath("template")+ File.separator+"report_template.xlsx";
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            XSSFSheet sheet = workbook.getSheetAt(0);
            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //通过输出流进行文件下载
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");
            workbook.write(out);

            out.flush();
            out.close();
            workbook.close();

        }catch(Exception e){
            e.printStackTrace();
        }
    }
    @RequestMapping(value = "/exportBusinessReportPdf")
    public void exportBusinessReportPdf(HttpServletRequest request, HttpServletResponse response){
        try{
            Map<String,Object> result = reportService.getBusinessReportData();

            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            String jrxmlPath = request.getSession().getServletContext().getRealPath("template")+ File.separator+"health_business.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template")+ File.separator+"health_business.jasper";

            JasperCompileManager.compileReportToFile(jrxmlPath,jasperPath);

            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperPath, result, new JRBeanCollectionDataSource(hotSetmeal));

            //通过输出流进行文件下载
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("content-Disposition", "attachment;filename=report.pdf");

            JasperExportManager.exportReportToPdfStream(jasperPrint,out);

            out.flush();
            out.close();

        }catch(Exception e){
            e.printStackTrace();
        }
    }

}
